Hello,
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Look, Deepthi publisher's are rated with High rating for EAMCET preparation. It covers all the important topics that are need to be covered for preparation. You can opt for it without any hesitation. Apart from Deepthi publisher's, if you have IPE text books even for it, it will be beneficial for preparation.Here is the link which has previous year question papers which helps you to have an estimation how the paper appears and can test your knowledge by solving them
https://engineering.careers360.com/articles/ap-eamcet-mock-test
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Do remember to cover each and every topic, here is the link of the syllabus for EAMCET, so do refer for an Idea
https://engineering.careers360.com/articles/ap-eamcet-syllabus/amp